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11
RESULTS

Media Type
11
texts
Topics & Subjects
9
Locomotives
8
Railroads
2
Geomagnetism--Observations
1
Atmospheric electricity
1
Auroras
1
Maud Expedition (1918-1925)
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Collection
11
American Libraries
9
Carnegie Library of Pittsburgh
2
Carnegie Institution of Washington
2
pepetto favorites
1
Ghaffar Favorites
1
tthwig Favorites
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Creator
8
hill, john a. (john alexander), 1858-1916
1
carnegie institution of washington. dept. of terrestrial magnetism; fisk, h. w.; sverdrup, h. u.
1
carnegie institution of washington. dept. of terrestrial magnetism; wallis, w. f.; green, j. w.
1
pennsylvania railroad. test dept
Language
11
English
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